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Square D FA34090 - 90A 3 Pole Molded Case Circuit Breaker

Brand Square D
SKU FA34090
5.0
Rated 5.0 out of 5 stars
68 Reviews
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99

Square D FA34090 - 90A 3 Pole Molded Case Circuit Breaker

Brand Square D
SKU FA34090
5.0
Rated 5.0 out of 5 stars
68 Reviews
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Square D FA34090 - 90A 3 Pole Molded Case Circuit Breaker

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$1798.00 In stock

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DescriptionSpecificationsSuperClubWarranties
Description
Built for demanding commercial environments, the Square D FA34090 is a 90A, 3-pole molded case circuit breaker. It utilizes proven thermal-magnetic trip technology to safeguard electrical distribution networks against overloads and short circuits. Designed for quick installation, this legacy F-Frame unit mounts into Square D I-Line panelboards. It is replaced by the modern PowerPact BDA34090. This HACR-rated breaker features a Visi-Trip indicator for fast fault identification.

Specifications

Brand Square D
Series FA
Part Number FA34090
Amperage 90A
Voltage 240VAC, 480Y/277VAC, 480VAC, 250VDC
Poles 3
Phase 3
AIC Rating 25kA @ 240VAC, 18kA @ 480Y/277VAC, 18kA @ 480VAC, 10kA @ 250VDC
Mounting Style I-Line
Terminal Type Lugs
For Use With Square D I-Line Panelboards
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Wire Gauge 14-1/0 AWG (Cu), 12-1/0 AWG (Al)
Max Wire 1/0 AWG
Min Wire 14 AWG
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories Lugs
Standards CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489, W-C-375B/GEN
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Visual Trip Indicator, 80% Rated

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Warranties

We’ve got you covered!

When shopping with SuperBreakers, you’ll have peace of mind knowing that every single item you purchase includes a 60 day warranty, free of charge. Why such confidence? Because only the highest quality electrical parts have a place on our shelves, and we stand by every single one we sell.

If anything goes wrong with your item that is not a result of misuse or normal wear and tear, we’ll gladly replace it at no cost to you.

Click here to read our full warranty details

Shipping

Free Shipping Policy

Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.

Click here to read our full shipping policy
Same Day Shipping

We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments

Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping

All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.

5.0
Rated 5.0 out of 5 stars
Based on 68 reviews
Total 5 star reviews: 68
Total 4 star reviews: 0
Total 3 star reviews: 0
Total 2 star reviews: 0
Total 1 star reviews: 0
Reviews Summary
Customers say this circuit breaker matches its description, fits perfectly, and works as expected. Many reviews highlight fast shipping and quick delivery times, with several noting orders arrived within days. Users appreciate the product condition, describing refurbished units as appearing new without wear or marks. Common feedback addresses competitive pricing compared to local suppliers and the overall value proposition. Customers report straightforward ordering processes and reliable service, with repeat purchasers noting consistent positive experiences. The breaker installed easily and functioned properly in various applications.
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68 reviews
  • RE
    rene e.
    Verified Buyer
    Reviewing
    Square D FA34070 - 70A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/14/26
    breaker

    breaker was just as discribed

    Was this helpful?
  • BE
    Ballentine E.
    Verified Buyer
    Reviewing
    Square D FA24060AC - 60A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/15/26
    Great

    Accurate and on time.

    Was this helpful?
  • EB
    Edward B.
    Verified Buyer
    Reviewing
    Square D FA32100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/1/26
    As good as new

    The Square D FA32100 circuit breaker (refurbished) was as good as a new breaker, without exception. There was no wear and tear or any marks at all. It was basically new. It is an excellent choice and a great product without having to pay the cost of a new breaker.

    Was this helpful?
  • CB
    Cliff B.
    Verified Buyer
    Reviewing
    Square D FA34060 - 60A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/5/26
    Owner

    I am glad that the breaker fit without an issues..

    Was this helpful?
  • CT
    Chris T.
    Verified Buyer
    Reviewing
    Square D FA34030 - 30A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/4/26
    Square D FA34030 - 30A 3 Pole Molded Case Circuit Breaker

    Exactly as described, prompt response of order and shipping status.

    Was this helpful?

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